#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
int main(){
	int a[10]={10,20,30,40};
	vector<int>v;
	v.push_back(1);v.push_back(2);
	v.push_back(3);v.push_back(4);
	vector<int>::iterator p;
	p=find(v.begin(),v.end(),3);
	if(p!=v.end())
	cout<<"1)"<<*p<<endl;
	p=find(v.begin(),v.end(),9);
	if(p==v.end())
	cout<<"not found"<<endl;
	p=find(v.begin()+1,v.end()-1,4);
	cout<<"2)"<<*p<<endl;
	int *pp=find(a,a+4,20);
	if(pp==a+4)
	cout<<"not found"<<endl;
	else
	cout<<"3)"<<*pp<<endl;
}